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Insulin/proinsulin, a new crystalline complex

Abstract

SINCE the first crystallisation of proinsulin in this laboratory1, we have tried to grow crystals appropriate for detailed X-ray crystal structure analysis. None of the pro-insulin crystal forms prepared proved ideal2, and we attempted to cocrystallise insulin and proinsulin. Such crystals, if both components were in ordered array, could provide a basis for the determination of the structure of proinsulin by the use of rigid-body vector search methods3,4 using the known stereochemistry of insulin5.

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Low, B., FULLERTON, W. & ROSEN, L. Insulin/proinsulin, a new crystalline complex. Nature 248, 339–340 (1974). https://doi.org/10.1038/248339a0

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